U.S. Geological Survey Photographic Library
What's New Archive - Additions for March 2007M. R. Campbell photographs of the general geology taken in 1926 along the state borders Wyoming and Colorado. F. L. Ransome images of mining operations taken from 1900 through 1901 while surveying the economic geology within areas of Arizona and Colorado. R.W. Stone photographs of Alaska taken around 1904 while surveying the economic geology of the Cook Inlet. This site is regularly updated with new photographs and corrections. Check back frequently to see which photographer or expedition has been added to the USGS Photo Library. |